[ISSUE-2902][improvement] improvement flink cluster verifyClusterConnection #2903
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What changes were proposed in this pull request
Issue Number: #2902
Brief change log
To determine whether the flink cluster is alive, first request the
jobManagerand then request theresourceManagerto avoid the problem of request failure caused by excessive pressure on theresourceManager.Verifying this change
This change is a trivial rework / code cleanup without any test coverage.
Does this pull request potentially affect one of the following parts